Home / 448,669.47-619,148.75-267,287.45

Finding the Fourth Proportional to 448,669.47, 619,148.75 and 267,287.45

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Solution

The fourth proportional to 448,669.47, 619,148.75 and 267,287.45 is: 368,847.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,669.47 : 619,148.75 = 267,287.45 : x
  2. Step 2: Convert to fraction form
    448,669.47/619,148.75 = 267,287.45/x
  3. Step 3: Cross multiply
    448,669.47x = 619,148.75 × 267,287.45
  4. Step 4: Simplify right side
    448,669.47x = 165,490,689,678.53
  5. Step 5: Solve for x
    x = 165,490,689,678.53/448,669.47
  6. Step 6: Final answer
    x = 368,847.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.